CN210397514U

CN210397514U - Pneumatic brake device

Info

Publication number: CN210397514U
Application number: CN201921428722.1U
Authority: CN
Inventors: 张传宝; 包道坤; 张�浩
Original assignee: Xuzhou Tezhong Machinery Technology Co ltd
Current assignee: Xuzhou Tezhong Machinery Technology Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-04-24
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a pneumatic brake device, which comprises a brake drum arranged on a wheel and a brake disc arranged on a frame, wherein two support shafts are arranged on the outer side wall of the brake disc, curved brake plates are respectively arranged on the two support shafts in a rotating way, one end of each curved brake plate close to the support shaft is fixedly provided with a connecting gear (rotating fulcrum), and the two connecting gears are mutually meshed; the rotary lug is arranged between the two curved brake plates, one end of the penetrating shaft, which is far away from the rotary lug, penetrates through the brake disc, extends to the outside and is provided with an eccentric wheel, the eccentric wheel is connected onto a driving cylinder, and one end of the driving cylinder, which is far away from the eccentric wheel, is rotatably arranged on the frame. The utility model discloses can drive two curved types after rotating rotatory lug and stop the board and rotate to the outside, wearing and tearing between rotatory lug and the runner are less, long service life.

Description

Pneumatic brake device

Technical Field

The utility model belongs to the technical field of brake equipment, concretely relates to pneumatic brake equipment.

Background

The existing brakes comprise a disc brake, a drum brake and an air brake, and many old vehicles are front discs and rear drums. The dish that present car all was the dish to stop around a lot, drum brake has good effect of stopping certainly, because the brake lining is outwards stretched, the wheel rotation is connected with the brake drum that outwards stretches out twists an angle brake lining external tension big more, then the situation is more obvious, current drum is stopped in the life longer back, the brake block produces the deformation after wearing and tearing, only unilateral brake block can appear and brake, the braking effect is relatively poor, the life of brake block is short, for this reason, need one kind can solve above-mentioned problem brake equipment urgently.

SUMMERY OF THE UTILITY MODEL

Problem to above-mentioned prior art exists, the utility model provides a pneumatic brake device can realize that braking effect is good, long service life's brake equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pneumatic brake device comprises a brake drum arranged on a wheel and a brake disc arranged on a frame, wherein the brake disc is arranged on the inner side of the brake drum, two support shafts are arranged on the outer side wall of the brake disc, curved brake plates are rotatably arranged on the two support shafts, one end, close to the support shafts, of each curved brake plate is fixedly provided with a connecting gear, the connecting gear is sleeved on the support shafts, and the two connecting gears are meshed with each other;

two rotatory lug has been arranged between the one end that the fulcrum shaft was kept away from to bent type board of stopping, rotatory lug middle part runs through to install and runs through the axle, the one end that runs through the axle and keep away from rotatory lug runs through the brake disc and extends to the outside and install the eccentric wheel, the eccentric wheel is connected on driving actuating cylinder, driving actuating cylinder keeps away from the one end rotation of eccentric wheel and installs on the frame.

Preferably, the middle part fixed mounting of brake disc has the fixed block, install the spring of being connected with arbitrary bent type board of stopping on the fixed block.

Preferably, the curved brake plate is provided with a groove, and a plurality of reinforcing ribs are arranged in the groove.

Preferably, one end of the curved brake plate, which is far away from the corresponding connecting gear, is provided with a rotatable rotating wheel.

Preferably, a braking surface is arranged on the outer side wall of the curved braking plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a rotate two curved brake boards and install on two fulcrum shafts, and the bottom is meshed together through two connecting gears, has realized that two curved brake boards are the same to the outside pivoted angle, and the degree of wear of two brake blocks is also the same, can prevent to unilateral brake block wearing and tearing, increases the life of this device;

(2) the utility model discloses a stop the board at the bent type and keep away from the one end that corresponds the counter roll and install rotatable runner, and install rotatory lug between two runners, realized can drive two bent types and stop the board and rotate to the outside and produce the braking after rotating rotatory lug, wearing and tearing between rotatory lug and the runner are less, long service life.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the brake disc of the present invention;

fig. 3 is a front view of the brake disc of the present invention.

Description of reference numerals:

1. the brake comprises a brake drum, 2, a brake disc, 3, an eccentric wheel, 4, a driving cylinder, 5, a through shaft, 6, a rotating wheel, 7, a brake surface, 8, a curved brake plate, 9, a spring, 10, a fixing block, 11, a connecting gear, 12, a fulcrum shaft, 13 and a rotating lug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a pneumatic brake device comprises a brake drum 1 mounted on a wheel and a brake disc 2 mounted on a frame, wherein a mounting hole for fixing with the wheel is formed in the brake drum 1, the wheel can drive the brake drum 1 to rotate in a rotating process, the brake disc 2 is arranged on the inner side of the brake drum 1, two support shafts 12 are mounted on the outer side wall of the brake disc 2, a curved brake plate 8 is rotatably mounted on the two support shafts 12, a groove is formed in the curved brake plate 8, a plurality of reinforcing ribs are arranged in the groove, a brake surface 7 is mounted on the outer side wall of the curved brake plate 8, the groove can reduce the quality of the curved brake plate 8 and improve the heat dissipation effect of the caliper 8, friction is generated between the brake surface 7 and the inner wall of the brake drum 1 to generate a braking effect, and a connecting gear 11 is fixedly mounted at one end of the curved brake plate 8, which is close to the support shafts 12, the connecting gear 11 is sleeved on the support shaft 12, the two connecting gears 11 are meshed with each other, the two curved brake plates 8 can be always kept in bilateral symmetry positions due to the mutual meshing of the two connecting gears 11, the brake surface 7 can be simultaneously contacted with the brake drum 1, the middle part of the brake disc 2 is fixedly provided with a fixed block 10, the fixed block 10 is provided with a spring 9 connected with any one curved brake plate 8, and the curved brake plates 8 can be driven to rotate inwards under the pulling force of the spring 9;

a rotating lug 13 is arranged between one ends of the two curved brake plates 8 far away from the fulcrum 12, one ends of the curved brake plates 8 far away from the corresponding connecting gear 11 are provided with rotatable rotating wheels 6, the two rotating wheels 6 can drive the curved brake plates 8 to rotate outwards around the fulcrum 12 in the rotating process of the rotating lug 13, the friction between the rotating wheels 6 and the rotating lug 13 can be reduced, the service life is prolonged, a penetrating shaft 5 is arranged in the middle of the rotary lug 13 in a penetrating way, one end of the penetrating shaft 5, which is far away from the rotary lug 13, penetrates through the brake disc 2 to extend to the outside and is provided with an eccentric wheel 3, the eccentric wheel 3 is connected on driving cylinder 4, driving cylinder 4 is kept away from the one end rotation of eccentric wheel 3 and is installed on the frame, and driving cylinder 4 extends and can drive eccentric wheel 3 and rotate, and eccentric wheel 3 drives rotatory lug 13 through penetrating shaft 5 and rotates.

When the brake device is used, the output rod of the driving cylinder 4 extends to drive the eccentric wheel 3 to rotate, the eccentric wheel 3 can drive the rotating lug 13 to rotate through the penetrating shaft 5 after rotating, the rotating lug 13 can simultaneously drive the two curved brake plates 8 to rotate around the corresponding support shafts 12 like the outer sides, the brake surface 7 on the outer sides of the curved brake plates 8 is tightly abutted against the inner side surface of the brake drum 1 to generate braking, after the driving cylinder 4 contracts, the penetrating shaft 5 rotates back to the initial position, the curved brake plates 8 connected with the spring 9 rotate inwards under the pulling force of the spring 9, the two connecting gears 11 at the bottom are mutually meshed to drive the two curved brake plates 8 to simultaneously rotate inwards, the brake surface 7 is disconnected from the brake drum 1, and braking is cancelled.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a pneumatic brake device, includes brake drum (1) of installing on the wheel and installs brake disc (2) on the frame, its characterized in that: the brake disc (2) is arranged on the inner side of the brake drum (1), two support shafts (12) are mounted on the outer side wall of the brake disc (2), a curved brake plate (8) is rotatably mounted on each of the two support shafts (12), a connecting gear (11) is fixedly mounted at one end, close to each support shaft (12), of each curved brake plate (8), the connecting gear (11) is sleeved on each support shaft (12), and the two connecting gears (11) are meshed with each other;

two rotatory lug (13) have been arranged between the one end that fulcrum (12) were kept away from in bent type board (8) of stopping, rotatory lug (13) middle part is run through and is installed and run through axle (5), the one end that runs through axle (5) and keep away from rotatory lug (13) runs through brake disc (2) and extends to the outside and install eccentric wheel (3), eccentric wheel (3) are connected on driving cylinder (4), the one end rotation of eccentric wheel (3) is kept away from in driving cylinder (4) is installed on the frame.

2. The pneumatic brake device according to claim 1, wherein a fixed block (10) is fixedly mounted in the middle of the brake disc (2), and a spring (9) connected with any one of the curved brake plates (8) is mounted on the fixed block (10).

3. A pneumatic brake device according to claim 2, wherein the curved brake plate (8) is provided with a groove, and a plurality of reinforcing ribs are arranged in the groove.

4. A pneumatic brake device according to claim 3, characterised in that the end of the curved brake plate (8) remote from the corresponding coupling gear (11) is provided with a rotatable wheel (6).

5. A pneumatic brake device according to claim 4, wherein the braking surface (7) is mounted on the outer side wall of the curved braking plate (8).